*{
    margin: 0;
    padding: 0;
}
/* 全局重置 */
@keyframes move{
    from{
        left:0;
    }
    to{
        left:200px;
    }
}

a{
    text-decoration: none;
    float:left;
    margin-left: 400px;
    font-size: 20px;
}
div{
    float: left;
    margin-left: 300px;
    ul{
        li{
            float: left;
            color:red;
            margin-right: 20px;
            list-style: none;
        }
    }
}
